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2. Sheehan's syndrome - Wikipedia

   en.wikipedia.org/wiki/Sheehan's_syndrome

   Other hormone-secreting cells of the pituitary undergo rapid growth in pregnant women as well, which contribute to the gland's enlargement. [10] The anterior pituitary is supplied by a low pressure portal venous system. [15] The anterior pituitary is more commonly affected in Sheehan's syndrome because of the structure of the portal venous system.

3. Nelson's syndrome - Wikipedia

   en.wikipedia.org/wiki/Nelson's_syndrome

   Nelson's syndrome is a disorder that occurs in about one in four patients who have had both adrenal glands removed to treat Cushing's disease. [1] In patients with pre-existing adrenocorticotropic hormone ()-secreting pituitary adenomas, loss of adrenal feedback following bilateral adrenalectomy can trigger the rapid growth of the tumor, leading to visual symptoms (e.g. bitemporal hemianopsia ...

4. Syndrome of inappropriate antidiuretic hormone secretion

   en.wikipedia.org/wiki/Syndrome_of_inappropriate...

   The authors felt neither pituitary nor adrenal insufficiency was involved, but that direct neural control of renal proximal tubular reabsorption of sodium was disrupted. [25] In 1953, Leaf et al, demonstrated that exogenous administration of the antidiuretic hormone vasopressin resulted in hyponatremia and a natriuresis dependent on water ...

5. Pituitary disease - Wikipedia

   en.wikipedia.org/wiki/Pituitary_disease

   Autoimmune hypophysitis (or lymphocytic hypophysitis), inflammation of the pituitary gland due to autoimmunity. Nelson's syndrome, may occur after surgical removal of both adrenal glands, an out-dated method of treating Cushing's disease. Pituitary tumour, a tumor of the pituitary gland. Pituitary adenoma, a noncancerous tumor of the pituitary ...

6. Hyperprolactinaemia - Wikipedia

   en.wikipedia.org/wiki/Hyperprolactinaemia

   A common cause for hyperprolactinemia is prolactinomas and other tumors arising near the pituitary. These adjacent tumors, such as those that cause acromegaly , can physically compress the pituitary stalk and block the flow of dopamine from the hypothalamus to the pituitary gland, causing prolactin levels to increase.

7. Euthyroid sick syndrome - Wikipedia

   en.wikipedia.org/wiki/Euthyroid_sick_syndrome

   This may play an important role in the pathogenesis of the central component of thyroid allostasis in critical illness, tumors, uremia and starvation (TACITUS). [9] In addition, both illness and medication (e.g. salicylates and heparin ) may impair plasma protein binding of thyroid hormones, resulting in reduced levels of total hormones, while ...